Ballpoint pen cap



FIG. 1 is a front top perspective view of a ballpoint pen cap showing my new design:

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the opposite side being the mirror image thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a front top perspective view thereof in a transparent embodiment. 

The ornamental design for a ballpoint pen cap, as shown and described. 